/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineTournamentInterface.h
void LexFromString ( [TOptional](API\Runtime\Core\IO\TOptional)< [EOnlineTournamentParticipantType](API\Plugins\OnlineSubsystem\Interfaces\EOnlineTournamentParticipantType) > & State, const TCHAR *const String )